Refactor authentication and implement password reset.

src/components/Navbar.svelte

@@ -23,24 +23,35 @@
     import {t} from "astro-i18n";
     import {l} from "../util/util";
     import {onMount} from "svelte";
+    import {loggedIn} from "@repo/authv2.ts";
   interface Props {
     logo?: import('svelte').Snippet;
   }
 
   let { logo }: Props = $props();
 
-    let navbar: HTMLDivElement = $state();
+    let navbar = $state<HTMLDivElement>();
     let searchOpen = $state(false);
 
+    let accountBtn = $state<HTMLAnchorElement>();
+
+    $effect(() => {
+        if ($loggedIn) {
+            accountBtn!.href = l("/dashboard");
+        } else {
+            accountBtn!.href = l("/login");
+        }
+    })
+
     onMount(() => {
         handleScroll();
     })
 
     function handleScroll() {
         if (window.scrollY > 0) {
-            navbar.classList.add("before:scale-y-100");
+            navbar!.classList.add("before:scale-y-100");
         } else {
-            navbar.classList.remove("before:scale-y-100");
+            navbar!.classList.remove("before:scale-y-100");
         }
     }
 </script>
@@ -106,7 +117,7 @@
                 </div>
             </div>
             -->
-            <a class="btn" href={l("/login")}>
+            <a class="btn" href={l("/login")} bind:this={accountBtn}>
                 <span class="btn__text">{t("navbar.links.account")}</span>
             </a>
             <!--